ex.    Use the right form: Present Perfect или Past Simple.

 

1. The sun (not to rise) yet, but the sky in the east is getting lighter every minute. 3. I (not to read) the newspaper today. 5. How many times you (to be) to St. Petersburg? 7. We (to go)  to the country yesterday, but the rain ( to spoil) all the pleasure. 9. The lecture (not yet to begin) and the students are talk­ing in the classroom.  11. She ( to leave) the room a moment ago. 13. When it all ( to   happen)? 15. Show me the dress which you (to make). 17. Oh, close the window! Look, all my papers  (to fall) on the floor because of the wind.